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#ifndef _AMPS_RECONNECTDELAYSTRATEGY_HPP_
#define _AMPS_RECONNECTDELAYSTRATEGY_HPP_


#include <amps/ReconnectDelayStrategyImpl.hpp>

/// \file ReconnectDelayStrategy.hpp
/// \brief Provides AMPS::ReconnectDelayStrategy, called by an AMPS::HAClient
/// to determine how long to wait between attempts to connect or reconnect to
/// a server.

namespace AMPS
{
  ///
  ///  ReconnectDelayStrategy is called by AMPS::HAClient to determine how
  ///  long to wait between attempts to connect or reconnect to a server. The
  ///  class is implemented as a handle that reference counts an instance of
  ///  AMPS::ReconnectDelayStrategyImpl.
  class ReconnectDelayStrategy
  {
  public:
    ///
    /// Constructs a ReconnectDelayStrategy with a default implementation.
    /// Chooses an AMPS::ExponentialDelayStrategy by default.
    ///
    ReconnectDelayStrategy()
      : _implPtr(new ExponentialDelayStrategy())
    {;}

    ///
    /// Constructs a ReconnectDelayStrategy with a given implementation.
    ///
    /// \param pImpl_ An instance of a class derived from
    ///               AMPS::ReconnectDelayStrategyImpl to wrap.
    ///
    ReconnectDelayStrategy(ReconnectDelayStrategyImpl* pImpl_)
      : _implPtr(pImpl_)
    {;}


    ///
    /// Returns the time that the client should delay before connecting
    /// to the given server URI.
    ///
    /// \param uri_ The URI which the client plans to connect.
    ///
    /// \return     The time, in milliseconds, which the client should
    ///             delay before connecting to uri_.
    ///
    /// \throws  Any exception thrown indicates no connection should be
    ///          attempted; the client should in essence "give up."
    ///
    unsigned int getConnectWaitDuration(const std::string& uri_)
    {
      return _implPtr->getConnectWaitDuration(uri_);
    }

    ///
    /// Reset the state of this reconnect delay. AMPS calls this method
    /// when a connection is successfully established.
    ///
    void reset(void)
    {
      _implPtr->reset();
    }

    ///
    /// Returns a pointer to the raw ReconnetDelayStrategyImpl this
    /// class is wrapping.
    ///
    ReconnectDelayStrategyImpl* get(void)
    {
      return &(_implPtr.get());
    }
  protected:
    AMPS::RefHandle<ReconnectDelayStrategyImpl> _implPtr;
  };
}


#endif
